7 troubleshooting 7 – Eppendorf PatchMan NP 2 User Manual
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The following error situations are conceivable:
Remedy
– Motor axes move in wrong direction or do not
match joystick movement.
– Check installation matches motor
module setup, e.g. left side mounting
etc.
– Some user actions are not possible.
– Perform a reset or general reset and
then reinstall the device (section
5.4.3).
– Device not responding to key presses,
Home function still active.
– Move joystick or press "Home" key
again,
tool moves downwards.
– Tool does not move forwards or back or
forward/back (in X and Y direction) when
joystick is moved, only to side.
– Deactivate Z only function.
– When connected, no LED is lit on the device
and the device will not switch on
– Reset, General-Reset,
Unplug mains power cable.
Check mains cable and plug.
If mains power supply unit defective:
Service
– An error message or warning in the form of
an 8-tone acoustic signal is delivered.
– Check all cable connections.
Rest, General-Reset,
Unplug mains power cable.
If the problem has not been
eliminated, or if it recurs: Service
Troubleshooting
7 Troubleshooting
7
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